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1 //===- PDBStringTable.h - PDB String Table -----------------------*- C++-*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBSTRINGTABLE_H
11 #define LLVM_DEBUGINFO_PDB_RAW_PDBSTRINGTABLE_H
12 
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
16 #include "llvm/Support/BinaryStreamArray.h"
17 #include "llvm/Support/BinaryStreamRef.h"
18 #include "llvm/Support/Endian.h"
19 #include "llvm/Support/Error.h"
20 #include <cstdint>
21 #include <vector>
22 
23 namespace llvm {
24 class BinaryStreamReader;
25 
26 namespace msf {
27 class MappedBlockStream;
28 }
29 
30 namespace pdb {
31 
32 struct PDBStringTableHeader;
33 
34 class PDBStringTable {
35 public:
36   Error reload(BinaryStreamReader &Reader);
37 
38   uint32_t getByteSize() const;
39   uint32_t getNameCount() const;
40   uint32_t getHashVersion() const;
41   uint32_t getSignature() const;
42 
43   Expected<StringRef> getStringForID(uint32_t ID) const;
44   Expected<uint32_t> getIDForString(StringRef Str) const;
45 
46   FixedStreamArray<support::ulittle32_t> name_ids() const;
47 
48   const codeview::DebugStringTableSubsectionRef &getStringTable() const;
49 
50 private:
51   Error readHeader(BinaryStreamReader &Reader);
52   Error readStrings(BinaryStreamReader &Reader);
53   Error readHashTable(BinaryStreamReader &Reader);
54   Error readEpilogue(BinaryStreamReader &Reader);
55 
56   const PDBStringTableHeader *Header = nullptr;
57   codeview::DebugStringTableSubsectionRef Strings;
58   FixedStreamArray<support::ulittle32_t> IDs;
59   uint32_t NameCount = 0;
60 };
61 
62 } // end namespace pdb
63 } // end namespace llvm
64 
65 #endif // LLVM_DEBUGINFO_PDB_RAW_STRINGTABLE_H
66